Varbanets SP. Generalized Twisted Kloosterman Sum Over <em class="a-plus-plus">ℤ</em>[<em class="a-plus-plus">i</em>]. Ukr. Mat. Zhurn. [Internet]. 2014May25 [cited 2024Nov.21];66(5):609–618. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2163